EP1528623A1 - Antennenkoppler - Google Patents
Antennenkoppler Download PDFInfo
- Publication number
- EP1528623A1 EP1528623A1 EP05002708A EP05002708A EP1528623A1 EP 1528623 A1 EP1528623 A1 EP 1528623A1 EP 05002708 A EP05002708 A EP 05002708A EP 05002708 A EP05002708 A EP 05002708A EP 1528623 A1 EP1528623 A1 EP 1528623A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- antenna element
- coupler according
- loop
- inner conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/04—Screened antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
- H04B17/16—Test equipment located at the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
Definitions
- the invention relates to an antenna coupler for testing Senders and / or receivers, in particular mobile phones or devices that work to the Blue Tooth standard.
- an antenna coupler for testing known from mobile phones.
- Antenna coupler is a receiving element for a mobile phone attached to a printed circuit board.
- On the circuit board is formed in stripline technology a rod antenna, the especially acts as a dipole antenna.
- An essential one Property of the antenna coupler is the coupling factor, which is the ratio of the received power with respect to indicates the radiated total power.
- the coupling factor is the ratio of the received power with respect to indicates the radiated total power.
- the object of the invention is therefore to an antenna coupler create, which opposite changes in the position of the antenna Sender and / or receiver is independent and himself due to a uniform coupling factor for testing various transmitters and / or receivers is suitable.
- the antenna element is spatially in the formed essentially closed loop. This will in addition to the electrical component of the mobile phone radiated field and the magnetic component detected. Conversely, the transmission to the mobile phone improved.
- the term mobile phone is here and in the Treated as one possible use case below.
- the invention is also suitable for any other transmitter and / or receiver, eg. B. those that work on the blue-tooth principle. Thereby is the coupling factor of the invention Antenna coupler largely independent of the exact Positioning of the mobile phone relative to the Antenna element. Therefore, a mobile phone can also be tested be at least from the outside the exact position of Antenna is not known without any special adjustments in terms of spatial orientation and location required are.
- the loop substantially in a level is arranged parallel to a Reflector plate is oriented. This will change the forward / reverse ratio of the antenna coupler crucial improved.
- a further antenna element is provided, which is designed so that it Transmission of the same frequency as the one Antenna element is suitable, and that the feed point of the another antenna element with respect to the feed point of the an antenna element at least substantially at 90 ° is arranged offset. This allows the antenna coupler via which an antenna is received and at the same time over the send another antenna, with a maximum phase decoupling is achieved in order to avoid mutual interference.
- Fig. 1 shows an antenna coupler 1 after a first Embodiment of the invention in a plan view.
- the Antenna coupler 1 is used for testing of a mobile phone 2.
- the mobile phone 2 by means of a on a Reflector plate 3 attached receiving element 4 of the Antenna coupler positioned over an antenna element 5.
- the receiving element 4 is doing a defined Position specified and a shift of the mobile phone 2 during the measurements made.
- to secure attachment of the mobile phone 2 includes the Receiving element 4 for this purpose, in particular several Locking elements 6.
- the antenna 7 of the mobile phone 2, which is inside the Mobile phones 2 is shown as a broken line is through the attachment above the antenna element 5 arranged. Because the exact position of the antenna 7 from the outside can not be easily judged is also one exactly centered arrangement of the antenna 7 above the Antenna element 5 difficult, d. H. only by means of one complicated adjustment, possible. Is made more difficult the Situation when using mobile phones 2 in which the antenna 7 completely within the housing 8 of the Mobile phones 2 is housed. Besides, it is cumbersome, if for different mobile phones 2 a precise spatial adjustment must be carried out especially then the receiving element 4 would have to be displaced.
- the present invention avoids the problems mentioned, by the coupling factor between the antenna element 5 and the antenna 7 largely independent of the exact Geometrical arrangement of the antenna 7 of the mobile phone. 2 relative to the antenna element 5.
- the antenna element 5 has a broken in Fig. 1 illustrated inner conductor 9 and an inner conductor. 5 surrounding outer conductor 10, wherein the outer conductor 10 the Inner conductor 9 shields. Between the two conductors 9, 10 a dielectric may be provided. Preferably The outer conductor 10 encloses the inner conductor 9 circumferentially in the form of a cylinder jacket-shaped shield.
- the Antenna element 5 is as spatially substantially closed loop formed between one Infeed point 11 and the one end 12 of the antenna element 5 the smallest possible distance exists. At the end of the 12th Antenna element 5 is the inner conductor 9 from the outer conductor 10 led out.
- the led out inner conductor 9 is in Region 13 of the feed point 11 on the outer conductor 10th led to an electrical contact between the two manufacture.
- the area 13 is preferably located in near the entry point 11.
- the antenna element 5 is arranged in a plane 14, the is shown in FIG. 2.
- the antenna element 5 is arranged in a plane 14, the is shown in FIG. 2.
- the antenna element 5 is arranged in a plane 14, the is shown in FIG. 2.
- the off Teflon existing holder 15 is used, which is the Hold antenna element 5 opposite the feed point 11.
- the circumference of Fig. 1 annularly arranged Antenna element 5 corresponds substantially to the middle one Wavelength ⁇ emitted from the antenna element 5 or is received to an advantageous emission and Reception characteristics to achieve.
- By mounting the Antenna element 5 over the designed as a reflector Reflector plate 3 also gives an excellent Up / down ratio.
- the arrangement consists of a total of four dipoles, with half the loop on the Feed point a first ⁇ / 2 dipole and half loop opposite the feed point, a second ⁇ / 2 dipole represents and two more ⁇ / 2 dipoles through the Reflector plate 3 are virtually mirrored.
- the section shown in FIG. 2 along the in FIG. 1 line of intersection II can also be the height H, in which the antenna element 5 above the reflector plate 3rd is arranged to be removed.
- the height is H equal to one eighth of the wavelength ⁇ , to which the Antenna element 5 is tuned.
- For a center frequency of 2.45 GHz thus results in a developed length of the Antenna element 5 of about 12 cm and a height H of about 1.5 cm.
- Fig. 3 shows an antenna coupler together with a Measuring arrangement in a schematic diagram according to the first Embodiment. That to a substantially curved circular loop curved Antenna element 5 has the outer conductor 10 and the Inner conductor 9, between which a dielectric 16th is provided. At the end 12 of the antenna element 5 is the Inner conductor 9 on the the feed point 11 closest lying portion 17 of the outer conductor 10 is guided to a to make electrical contact between them. About the Connector 18, the antenna element 5 with a Measuring device 19, wherein the connecting piece 18, as in 2, the antenna element 5 in the region of Infeed point 11 opposite the reflector plate 3rd supported.
- Fig. 4 shows the basic structure of a second Embodiment of the invention. Matching Elements are in this and in all other figures with characterized in matching reference numerals, thereby a repetitive description is unnecessary.
- a first Antenna element 5 provided that the antenna element 5 of the first embodiment corresponds.
- second antenna element 25 is provided, which in principle the same structure as the first antenna element 5 has.
- the second antenna element 25 therefore has an outer conductor 26, an inner conductor 27 and an open end 28.
- the inner conductor 27 is in Region of the feed point 29 of the antenna element 25 on the outer conductor 26 for producing an electrical Contact led.
- a connector 30 is also provided that the antenna element 25 together with two not shown, which correspond to the holders 15, supported by a common reflector plate 3.
- the Antenna element 25 apart from the polarization in about the same emission characteristics as the antenna element. 5 exhibit.
- the antenna element 25th however, disposed within the antenna element 5, so that its unwound length is shorter than that of Antenna element 5 is. Nevertheless, a good one Abstrahl characterizing the two antenna elements 5, 25 to can reach, starting from a medium wavelength the antenna element 5 a slightly larger circumference and the Antenna element 25 have a slightly smaller circumference, so that the vote is acceptable Compromise results.
- the feed point 29 of the further antenna element 25 is opposite the feed point 11 of the antenna element 5 to 90 ° offset, so that a maximum decoupling between the two antennas in terms of reception and simultaneous transmission is achieved. If both Antnennenieri 5, 25 as a transmitting antenna or as Receiving antenna can be used with this Arrangement also achieve that in any one Angle to the x- or y-axis antenna of the Mobile phones at least with respect to one of the antenna elements 5, 25 has a good coupling factor.
- FIG. 5 shows a third embodiment, in which the antenna element 5 and another antenna element 35 are provided.
- the antenna element 5 is like the Antenna elements 5 of the first and second Embodiment constructed.
- the further antenna element 35 corresponds in terms of its basic structure also the antenna element 5, thus has a Outer conductor 36, an inner conductor 37, the lead-out of the Inner conductor 37 from the end 38 and the corresponding Connection with the outer conductor 36 in the region of Infeed point 39 and a connector 40 on.
- the unwound length of the antenna element 35 corresponds However, only about half of the developed length of the Antenna element 5, so that it is for transmission on the is tuned to double center frequency. With the Antenna element 35 can therefore be the next higher mode receive or transmit the transmission signal.
- the Connecting pieces 18 and 40 of the two antenna elements 5, 35 are rotated 180 ° against each other.
- the crossover 50 has a connection point 51, a connection point 52 for a lower frequency branch and a connection point 53 for a upper frequency branch on.
- the connection point 51 is with a Node 54 connected via a capacitor C4 and a Coil L4 is grounded to ground 55.
- About the coil L1 is the Node 54 connected to node 56.
- the node 56 is grounded through coil L3 and capacitor C5, around the upper frequency range, which is on the side of the Connection point 53 is to block.
- the Node 56 via the coil L2 to the connection point 52nd connected.
- the node 54 is connected to the node 58 via the capacitor C2 connected.
- the node 58 is above the coil L5 and the Capacitor C3 connected to ground 59 to the lower Frequency range, which transmitted via the connection point 52 is going to lock.
- the node 58 is also over the Capacitor C1 is connected to the connection point 53.
- C1 6.8 pF
- C2 1.5 pF
- C3 6.8 pF
- C4 0.8 pF
- C5 3.9 pF
- L1 10 nH
- L2 3.9 nH
- L3 1 nH
- L4 12 nH
- L5 3.9 nH.
- the Inner conductor 9 of the respective antenna element for formation an open antenna to the feed point electrically guided to the nearest section of the outer conductor.
- the inner conductor may also be directly attributed to the outer conductor surrounding it become. The inner conductor of the respective antenna element is then led to the section of the outer conductor who the Inner conductor is closest in space.
- the invention is not limited to those described Embodiments limited.
- the antenna coupler for testing any transmitter and / or receivers or transmitting and / or receiving devices, a preferred application in testing of Mobile phones (mobile phones) is located.
- the mobile phone 2 on a support surface 20 of the receiving element 4 of the Antenna coupler 1 launched.
- the support surface 20 can be designed as a housing top, where it not mandatory, additionally Receiving element 4 for fixed holding the mobile phone. 2 be provided because the achieved coupling factor substantially is independent of shifts in the y- and x-direction. Nevertheless, it is more advantageous, a defined Position of the mobile phone 2 by the described To provide receiving element 4.
- the housing is preferably only in the reflector plate conductive z. B. of metal and in the remaining areas to avoid reflections from a non-conductive material possibly in the Side areas with an absorbent coating executed.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Telephone Set Structure (AREA)
Abstract
Description
- Fig. 1
- ein erstes Ausführungsbeispiel eines Antennenkopplers in einer Draufsicht;
- Fig. 2
- einen Schnitt entlang der in Fig. 1 mit II bezeichneten Schnittlinie;
- Fig. 3
- eine schematische Ansicht des Antennenelements zusammen mit einer Meßanordnung gemäß dem ersten Ausführungsbeispiel;
- Fig. 4
- eine schematische Ansicht zweier Antennenelemente gemäß einem zweiten Ausführungsbeispiel;
- Fig. 5
- eine schematische Darstellung zweier Antennenelemente gemäß einem dritten Ausführungsbeispiel der Erfindung; und
- Fig. 6
- den Aufbau einer Frequenzweiche, die zwischen zwei Antennenelementen und eine Meßanordnung gemäß dem dritten Ausführungsbeispiel der Erfindung geschaltet sein kann.
Claims (12)
- Antennenkoppler (1) zum Testen von mobilen Sendern und/oder Empfängern, insbesondere Mobiltelefonen (2), mit einem Aufnahmeelement (4) und/oder einer Auflagefläche (20) für den mobilen Sender und/oder Empfänger und zumindest einem ersten Antennenelement (5, 25, 35),
wobei das Antennenelement (5, 25, 35) als räumlich zumindest im wesentlichen geschlossene Schleife ausgebildet ist,
dadurch gekennzeichnet, daß ein zweites Antennenelement (35) vorgesehen ist, das so ausgebildet ist, daß es zur Übertragung etwa der doppelten Frequenz des ersten Antennenelementes (5) geeignet ist. - Antennenkoppler nach Anspruch 1,
dadurch gekennzeichnet, daß der Umfang der Schleife des zweiten Antennenelementes (35) zumindest im wesentlichen gleich dem halben Umfang der Schleife des ersten Antennenelementes (5) ist. - Antennenkoppler nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß eine Frequenzweiche (50) vorgesehen ist, die zwischen einer Meßanordnung (19) und die Antennenelemente (5, 35) geschaltet ist. - Antennenkoppler nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß ein zweites Antennenelement (25) vorgesehen ist, das so ausgebildet ist, daß es zur Übertragung der gleichen Frequenz wie das erste Antennenelement (5) geeignet ist, und daß der Einspeisepunkt (29) des zweiten Antennenelementes (25) gegenüber dem Einspeisepunkt (11) des einen Antennenelementes (5) drehversetzt angeordnet ist. - Antennenkoppler nach Anspruch 4,
dadurch gekennzeichnet, daß der Drehversatz zumindest im wesentlichen 90° beträgt. - Antennenkoppler nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß das Antennenelement (5, 25, 35) im wesentlichen in einer Ebene (14) angeordnet ist, die parallel zu einer Reflektorplatte (3), an der das Aufnahmeelement (4) und/oder das Antennenelement (5, 25, 35) befestigt ist, orientiert ist. - Antennenkoppler nach Anspruch 6,
dadurch gekennzeichnet, daß die Schleife des Antennenelementes (5, 25, 35) in einer Höhe (H) über der Reflektorplatte (3) angeordnet ist, die zumindest im wesentlichen einem Achtel der Wellenlänge der über das Antennenelement (5, 25, 35) übertragenen Strahlung entspricht. - Antennenkoppler nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß das Antennenelement (5, 25, 35) einen Innenleiter (9, 27, 37) und einen den Innenleiter (9, 27, 37) umgebenden Außenleiter (10, 26, 36) umfaßt, wobei der Außenleiter (10, 26, 36) den Innenleiter (9, 27, 37) abschirmt. - Antennenkoppler nach Anspruch 8,
dadurch gekennzeichnet, daß der Innenleiter (9, 27, 37) des Antennenelementes (5, 25, 35) im Bereich (13) des Einspeisepunktes (11, 29, 39) auf den Außenleiter (10, 26, 36) geführt ist. - Antennenkoppler nach Anspruch 9,
dadurch gekennzeichnet, daß der Innenleiter (9, 27, 37) des Antennenelementes (5, 25, 35) zur Bildung einer offenen Antenne auf den dem Einspeisepunkt (11, 29, 39) elektrisch am nächsten liegenden Abschnitt (17) des Außenleiters (10, 26, 36) geführt ist. - Antennenkoppler nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, daß der Umfang der Schleife des Antennenelementes (5, 25, 35) zumindest im wesentlichen gleich der Wellenlänge der über das Antennenelement (5, 25, 35) abgestrahlten Strahlung ist. - Antennenkoppler nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß die Schleife zumindest im wesentlichen kreisringförmig ausgebildet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10129408 | 2001-06-19 | ||
DE10129408A DE10129408A1 (de) | 2001-06-19 | 2001-06-19 | Antennenkoppler |
EP02732701A EP1402595B1 (de) | 2001-06-19 | 2002-05-06 | Antennenkoppler |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02732701A Division EP1402595B1 (de) | 2001-06-19 | 2002-05-06 | Antennenkoppler |
EP02732701.4 Division | 2002-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1528623A1 true EP1528623A1 (de) | 2005-05-04 |
EP1528623B1 EP1528623B1 (de) | 2007-03-07 |
Family
ID=7688608
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05002707A Expired - Lifetime EP1528622B1 (de) | 2001-06-19 | 2002-05-06 | Antennenkoppler |
EP05002708A Expired - Lifetime EP1528623B1 (de) | 2001-06-19 | 2002-05-06 | Antennenkoppler |
EP02732701A Expired - Lifetime EP1402595B1 (de) | 2001-06-19 | 2002-05-06 | Antennenkoppler |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05002707A Expired - Lifetime EP1528622B1 (de) | 2001-06-19 | 2002-05-06 | Antennenkoppler |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02732701A Expired - Lifetime EP1402595B1 (de) | 2001-06-19 | 2002-05-06 | Antennenkoppler |
Country Status (4)
Country | Link |
---|---|
US (1) | US7038629B2 (de) |
EP (3) | EP1528622B1 (de) |
DE (4) | DE10129408A1 (de) |
WO (1) | WO2002103840A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8238984B2 (en) | 2006-04-12 | 2012-08-07 | Funkwerk Dabendorf Gmbh | Device for coupling and housing a mobile telephone in a motor vehicle |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10356087A1 (de) * | 2003-12-01 | 2005-06-23 | Willtek Communications Gmbh | Antennenkoppler |
DE102004033383A1 (de) * | 2004-04-28 | 2005-11-24 | Willtek Communications Gmbh | Antennenkoppler |
DE102005005261A1 (de) * | 2005-02-04 | 2006-08-10 | Rohde & Schwarz Gmbh & Co. Kg | Antennenkoppler mit Anschlagwinkel |
DE102006045645B4 (de) * | 2006-09-27 | 2015-05-07 | Rohde & Schwarz Gmbh & Co. Kg | Antennenkoppler |
US8405559B2 (en) | 2009-11-05 | 2013-03-26 | ATC Logistics & Electronics, Inc | RF test fixture and method for securing a wireless device for RF testing |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE912583C (de) * | 1943-02-20 | 1954-05-31 | Hans Wittbrodt Dipl Ing | Hochantenneneffektfreie Rahmenantenne |
GB744116A (en) * | 1953-12-04 | 1956-02-01 | Francis Richard Pettit | Improvements in wireless aerials and feeders |
US4433336A (en) * | 1982-02-05 | 1984-02-21 | The United States Of America As Represented By The Secretary Of Commerce | Three-element antenna formed of orthogonal loops mounted on a monopole |
US5508710A (en) * | 1994-03-11 | 1996-04-16 | Wang-Tripp Corporation | Conformal multifunction shared-aperture antenna |
US5777585A (en) * | 1995-04-08 | 1998-07-07 | Sony Corporation | Antenna coupling apparatus, external-antenna connecting apparatus, and onboard external-antenna connecting apparatus |
US5852421A (en) * | 1996-04-02 | 1998-12-22 | Qualcomm Incorporated | Dual-band antenna coupler for a portable radiotelephone |
DE19732639C1 (de) * | 1997-07-29 | 1999-01-28 | Wavetek Gmbh | Antennenkoppler zum Testen von Mobiltelefonen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19717834B4 (de) * | 1997-04-26 | 2006-12-14 | Rohde & Schwarz Gmbh & Co. Kg | Antennenkoppler für Mobiltelefone |
FR2778465B1 (fr) | 1998-05-05 | 2000-06-16 | Adeunis R F | Dispositif de mesure radiofrequence pour un banc de test industriel |
FI106077B (fi) * | 1998-11-04 | 2000-11-15 | Nokia Mobile Phones Ltd | Antennikytkentälaite ja -järjestelmä radiotietoliikennelaitteen liittämiseksi ulkoisiin laitteisiin |
US6915111B2 (en) * | 2001-01-16 | 2005-07-05 | Agilent Technologies, Inc. | Over-the-air coupler for RF device testing |
-
2001
- 2001-06-19 DE DE10129408A patent/DE10129408A1/de not_active Withdrawn
-
2002
- 2002-05-06 EP EP05002707A patent/EP1528622B1/de not_active Expired - Lifetime
- 2002-05-06 EP EP05002708A patent/EP1528623B1/de not_active Expired - Lifetime
- 2002-05-06 DE DE50207673T patent/DE50207673D1/de not_active Expired - Lifetime
- 2002-05-06 DE DE50207655T patent/DE50207655D1/de not_active Expired - Lifetime
- 2002-05-06 WO PCT/EP2002/004979 patent/WO2002103840A1/de active IP Right Grant
- 2002-05-06 EP EP02732701A patent/EP1402595B1/de not_active Expired - Lifetime
- 2002-05-06 DE DE50209691T patent/DE50209691D1/de not_active Expired - Lifetime
- 2002-05-06 US US10/481,101 patent/US7038629B2/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE912583C (de) * | 1943-02-20 | 1954-05-31 | Hans Wittbrodt Dipl Ing | Hochantenneneffektfreie Rahmenantenne |
GB744116A (en) * | 1953-12-04 | 1956-02-01 | Francis Richard Pettit | Improvements in wireless aerials and feeders |
US4433336A (en) * | 1982-02-05 | 1984-02-21 | The United States Of America As Represented By The Secretary Of Commerce | Three-element antenna formed of orthogonal loops mounted on a monopole |
US5508710A (en) * | 1994-03-11 | 1996-04-16 | Wang-Tripp Corporation | Conformal multifunction shared-aperture antenna |
US5777585A (en) * | 1995-04-08 | 1998-07-07 | Sony Corporation | Antenna coupling apparatus, external-antenna connecting apparatus, and onboard external-antenna connecting apparatus |
US5852421A (en) * | 1996-04-02 | 1998-12-22 | Qualcomm Incorporated | Dual-band antenna coupler for a portable radiotelephone |
DE19732639C1 (de) * | 1997-07-29 | 1999-01-28 | Wavetek Gmbh | Antennenkoppler zum Testen von Mobiltelefonen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8238984B2 (en) | 2006-04-12 | 2012-08-07 | Funkwerk Dabendorf Gmbh | Device for coupling and housing a mobile telephone in a motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE10129408A1 (de) | 2003-01-02 |
DE50207655D1 (de) | 2006-09-07 |
US7038629B2 (en) | 2006-05-02 |
EP1402595B1 (de) | 2006-07-26 |
EP1528622A1 (de) | 2005-05-04 |
WO2002103840A1 (de) | 2002-12-27 |
DE50209691D1 (de) | 2007-04-19 |
DE50207673D1 (de) | 2006-09-07 |
EP1528622B1 (de) | 2006-07-26 |
EP1402595A1 (de) | 2004-03-31 |
US20040233114A1 (en) | 2004-11-25 |
EP1528623B1 (de) | 2007-03-07 |
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